Electric bicycle kit 36XF07-AW-F(36V,9AH) 12-28''wheel,24- ... -ion batteryc.36v,7ah Lift Li-ion batteryd,36v,10ah frame Li-ion batteryAll battery with electric protection circuitChargeAC100v-240v,2 ... controller systemwhole system for display ,throttle,brakepasnew design controller electric bicycle kit